Standard reduction potentials are based on which element?A.
helium
B.
hydrogen
C.
lithium
D.
oxygen
E.
zinc

Answers

Answer 1

Answer:

Answer: option B. Hydrogen

Explanation:

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An atom with atomic number of 6 would have how many protons?

Answers

Answer:

Explanation:

Any atom with the atomic number 6 is carbon and has 6 protons

Answer: The answer is 6 protons

Explanation: The reason being is that for every atom there should be a proton

The kidney is a (n) _______. The excetory system is a (n)_______.

Answers

I'm not exactly sure if this is the answer you're looking for, but the kidney is an organ and the excretory system is an organ system.

What is a periodic element that was named after Einstein?

Answers

einsteinium, atomic number 99

Which metal is more reactive calcium or cobalt

Answers

Calcium would be more reactive because it is closer to francium on the periodic table, francium is the MOST reactive element.

An electron in a sodium atom gains enough energy to move from the second shell to the third shell. The sodium atom becomes:(1) a positive ion
(2) a negative ion
(3) an atom in an excited state
(4) an atom in the ground state

Answers

Answer;

-(3) an atom in an excited state

Explanation;

-An electron in a sodium atom gains enough energy to move from the second shell to the third shell. The sodium atom becomes an atom in an excited state.

-Ground state is the lowest allowable energy state of an atom. When electrons are subjected to stimuli like heat, light or electricity an electron may jump to a higher energy level, which is the excited state. Excitation is the elevation in energy level above the baseline energy state.

(3) The atom goes into an excited state.

I say this because since it's moving from the second level to the third, it gains more energy. And it can't be an ion because there are electrons still present in the atom. If the electrons had happened to be removed then it would have been a negative ion.

Name at least 4 other gases in the atmosphere besides oxygen and nitrogen